Reckoning DayTriple attack rate is boosted / Deals bonus wind DMG for one-foe one-ally attacks (Can't be removed) gives her guaranteed triple attacks and bonus damage for as long as she doesn't take damage.
Can protect herself with rather high dodge rate (provided she has Wind ATK UpWind ATK is boosted ) and 2-hit Mirror ImageNext one-to-one attack received will be ineffective (Effect removed on next all-foe all-ally attack) .
Her 3rd skill's ATK UpATK is boosted and Assassin's Aim (Overdrive)ATK is boosted for foes in Overdrive can turn whole party into powerful overdrive assassins but it's on very long cooldown.
When affected by Wind ATK UpWind ATK is boosted , which she can provide to herself, her attack power as well as Charge Attack specs are boosted.
Doesn't need support from other characters to become a very effective attacker.
Site
RatingThe character's overall rating out of 10.
GrindingThe character's general efficiency in repeatedly clearing menial content with an emphasis on real-time speed. GW Max Grade:SS KG Max Grade:SS
Full AutoThe character's general performance in Full Auto parties. GW Max Grade:SS KG Max Grade:SS
High DifficultyThe character's capability relative to the game's most difficult content. GW Max Grade:SS KG Max Grade:SS
Party members and summons that grant ShieldNext ATK received will be ineffective for a fixed amount or Mirror ImageNext one-to-one attack received will be ineffective (Effect removed on next all-foe all-ally attack) will help maintain Heles' powerful Reckoning DayGain Reckoning DayTriple attack rate is boosted / Deals bonus wind DMG for one-foe one-ally attacks (Can't be removed) Duration: Indefinite. (Ends upon taking damage.) buff, with shields being more desirable than mirror images due to being able to negate all-ally attacks.
Characters
Scathacha:Dragon's HeartAll allies gain ShieldNext ATK received will be ineffective for a fixed amount Strength: 25% of their max HP (Max: 5,000)Duration: Indefinite worth 25% of their max HP (Max: 5,000). (Consumes 25% of their max HP.) provides strong indefinite shield, combined with Heles' inner dodge rate, it may greatly increase her buff's uptime. However, Scathacha might require additional healing if she's meant to use that skill often. Scathacha's Wind ATK UpWind ATK is boosted from Deirdre's AuraAll allies gain 30% Wind ATK UpWind ATK is boosted Strength: 30%Duration: 3 turns. At level 90: 30% Wind ATK UpWind ATK is boosted Strength: 30%Duration: 5 turns duration increased to 5 turns. Also remove 1 debuff from all allies. stacks with Heles' and also works for her support skill.
Yuisis:Steadfast ShieldGain SubstituteReceives foe attack in place of an ally (Excludes all-foe all-ally attacks) Duration: 1 turn , 70% DMG CutTaking 70% less DMG Duration: 1 turn Damage Cut reducing damage taken for all elements. Warning! Does not work for Plain Damage!, and Veil (1 time)Debuffs will be nullified (1 time) Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune.". (Consumes 20% of charge bar.) At level 95: No longer consumes charge bar. SubstituteReceives foe attack in place of an ally (Excludes all-foe all-ally attacks) Duration: 1 turn upgraded to Substitute (All-Ally)Receives all attacks in place of allies (Includes all-ally attacks) Duration: 1 turn . Also gain Earth SwitchElemental DMG from foes turns into earth DMG Duration: 3 turns. provides protection from single-ally attacks.
Monika, Siegfried (Yukata): Their Hostility UpMore likely to be attacked redirects attacks away from Heles, and Monika's Wind of EnforcementGain Dodge AllTakes no DMG or debuffs while in effect Duration: 1 turn , SubstituteReceives foe attack in place of an ally (Excludes all-foe all-ally attacks) Duration: 1 turn , and Bonus Effect on Dodge (1 time)All allies' charge bars will be boosted upon each dodge Strength: 20%Duration: 1 turn . (All allies gain Charge Bar +20%Instantly boosts Charge Bar by 20% Strength: 20% upon dodging.) guarantees at least one additional turn against one-ally attacks.
Tiamat:Wind CloakAll allies gain Veil (1 time)Debuffs will be nullified (1 time) "Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune." and Mirror Image (1 time)Next one-to-one attack received will be ineffective (Effect removed on next all-foe all-ally attack) Duration: Indefinite. grants Mirror ImageNext one-to-one attack received will be ineffective (Effect removed on next all-foe all-ally attack) . It has bad synergy with Mirage Raid700%-800% Wind damage to a foe (Damage cap: ~730,000). Gain Mirror Image (2 times)Next one-to-one attack received will be ineffective (Effect removed on next all-foe all-ally attack) Duration: Indefinite. but might be useful in some situation if the mirror image was already lost and Heles' skill is still on cooldown.
Summons
Grimnir (Summon): The 10,000-damage, three-turn shield from Grimnir's call allows Heles to keep her triple attacks through most enemy attacks.
Prioritise Wind ATK and Critical Hit to improve her damage output. Since she has Reckoning DayGain Reckoning DayTriple attack rate is boosted / Deals bonus wind DMG for one-foe one-ally attacks (Can't be removed) Duration: Indefinite. (Ends upon taking damage.) to guarantee her TA, CA DMG and CA DMG Cap should be taken to increase CA performance, and to make use of her fast charge bar filling rate.